On 06/08/2013, at 5:24 PM, "Ulrich Windl" <[email protected]> wrote:
>>>> Thomas Glanzmann <[email protected]> schrieb am 05.08.2013 um 19:03 in > Nachricht <[email protected]>: >> Hello Ulrich, >> >>> Did it happen when you put the cluster into maintenance-mode, or did >>> it happen after someone fiddled with the resources manually? Or did it >>> happen when you turned maintenance-mode off again? >> >> I did not remember, but checked the log files, and yes I did a config >> change (I removed apache_loadbalancer from group apache). And that is >> probably >> the reason I could not reproduce it in my lab environemnt because I never >> tried >> to fiddle with it afterwards.. Probably the way to reproduce it is: put it >> to >> maintance-mode and than change something to the config and it crashes, but I >> have to verify that in my lab and report back. I'll do that right now and >> report back. > > Hi! > > I think it's a common misconception that you can modify cluster resources > while in maintenance mode: No, you _should_ be able to. If that's not the case, its a bug. > It seems the cluster expects the state it had when mainteneance mode was > turned on later when you turn it off. Maybe it's like the airplane's > autopilot: You can turn it off, fly the plane the way the autopilot would > have done, and then when you turn the autopilot on again, the flight path > will continue; however if you change direction while the autopilot is off, > big confusion may arise when you turn the autopilot on again... ;-) > > > Am I right? No, more likely its just not a well tested scenario. > > Still this doesn't explain where your configuration or log files went... > > Regards, > Ulrich > > >> >> ... >> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + <configuration > >> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + <crm_config > >> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + >> <cluster_property_set id="cib-bootstrap-options" > >> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + <nvpair >> id="cib-bootstrap-options-maintenance-mode" name="maintenance-mode" >> value="true" >> __crm_diff_marker__="added:top" /> >> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + >> </cluster_property_set> >> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + </crm_config> >> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + </configuration> >> Aug 4 18:49:18 apache-03 cib: [29394]: info: cib:diff: + </cib> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - <cib >> admin_epoch="0" >> epoch="94" num_updates="100" > >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - <configuration > >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - <resources > >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - <group >> id="apache" > >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - <primitive >> class="ocf" id="apache_loadbalancer" provider="heartbeat" type="apachetg" >> __crm_diff_marker__="removed:top" > >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - >> <operations >>> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - <op >> id="apache_loadbalancer-monitor-60s" interval="60s" name="monitor" /> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - >> </operations> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - >> </primitive> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - </group> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - </resources> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - </configuration> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: - </cib> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + <cib epoch="95" >> num_updates="1" admin_epoch="0" validate-with="pacemaker-1.2" >> crm_feature_set="3.0.6" update-origin="apache-03" update-client="cibadmin" >> cib-last-written="Sun Aug 4 >> 18:49:18 2013" have-quorum="1" >> dc-uuid="61e8f424-b538-4352-b3fe-955ca853e5fb" > >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + <configuration > >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + <resources > >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + <primitive >> class="ocf" id="apache_loadbalancer" provider="heartbeat" type="apachetg" >> __crm_diff_marker__="added:top" > >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + >> <operations > >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + <op >> id="apache_loadbalancer-monitor-60s" interval="60s" name="monitor" /> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + >> </operations> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + </primitive> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + </resources> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + </configuration> >> Aug 4 18:50:20 apache-03 cib: [29394]: info: cib:diff: + </cib> >> ... >> Aug 4 18:50:27 apache-03 heartbeat: [29380]: ERROR: Managed >> /usr/lib/heartbeat/crmd process 29398 dumped core >> >> Complete syslog is my other e-mail I just sent to Alan, if you want to >> check it. >> >> Cheers, >> Thomas >> _______________________________________________ >> Linux-HA mailing list >> [email protected] >> http://lists.linux-ha.org/mailman/listinfo/linux-ha >> See also: http://linux-ha.org/ReportingProblems > > > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
